Home / 50,310.45-69,439.77-33,315.30

Finding the Fourth Proportional to 50,310.45, 69,439.77 and 33,315.30

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Solution

The fourth proportional to 50,310.45, 69,439.77 and 33,315.30 is: 45,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,310.45 : 69,439.77 = 33,315.30 : x
  2. Step 2: Convert to fraction form
    50,310.45/69,439.77 = 33,315.30/x
  3. Step 3: Cross multiply
    50,310.45x = 69,439.77 × 33,315.30
  4. Step 4: Simplify right side
    50,310.45x = 2,313,406,769.48
  5. Step 5: Solve for x
    x = 2,313,406,769.48/50,310.45
  6. Step 6: Final answer
    x = 45,982.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.